AcoSail/kernel_optimize_test
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cpufreq: stats: time_in_state can't be NULL in cpufreq_stats_update()

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'time_in_state' can't be NULL if 'stats' is valid. These are allocated together
and only if time_in_state is allocated successfully, we update policy->stats.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2015-01-06 21:09:12 +05:30 committed by Rafael J. Wysocki
parent a685c6d023
commit c960f9b22d
1 changed files with 1 additions and 3 deletions
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drivers/cpufreq/cpufreq_stats.c
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@ -35,9 +35,7 @@ static int cpufreq_stats_update(struct cpufreq_stats *stats)
unsigned long long cur_time = get_jiffies_64();
spin_lock(&cpufreq_stats_lock);
if (stats->time_in_state)
stats->time_in_state[stats->last_index] +=
cur_time - stats->last_time;
stats->time_in_state[stats->last_index] += cur_time - stats->last_time;
stats->last_time = cur_time;
spin_unlock(&cpufreq_stats_lock);
return 0;